Title: Interference prevention system for machine tool movable members

Abstract: A machine tool having a plurality of independently and parallelly movable tool posts includes a system for preventing the interference between the tool posts, by means of that the information on the contour position of the tool post represented is added to the information on the position of a reference point set in for each tool post, and the results of addition are compared and calculated.

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Inventors: Noda, Shiro (Nagoya, JP)

Application Number: 829519
Filing Date: 1977-08-31
Publication_date: 1978-12-26
Assignee: Okuma Machinery Works Ltd. (Nagoya, JP)
Primary Class(es): 318/565 340/825.23, 700/178
Other Classes:
US Patent Ref:

3175190	Mar, 1965	Gasser	318/563.
3834615	Sep, 1974	Watanabe	318/565.
3836834	Sep, 1974	Abbatiello et al.	318/563.
3934185	Jan, 1976	Schoonover et al.	318/565.

Other Refs:
Primary Examiner: Dobeck, B.
Assistant Examiner:
Attorney: Chaskin; Jay L.